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IJ31196: SYSTEM CRASH WHEN ADDING CPUS AFTER BOOTING WITH 1 CPU APPLIES TO AIX 7200-05

A fix is available

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • If you boot a system with 1 CPU, then try to add additional
    CPUs, the system will crash or hang, depending on the
    error-checking level.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 7200-05 Technology Level with
    * any of the following filesets at or between the given levels:
    * MIN          MAX          FILESET
    * 7.2.5.0      7.2.5.1      bos.mp64
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * If you boot a system with 1 CPU, then try to add additional
    * CPUs, the system will crash or hang, depending on the
    * error-checking level.
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IJ31196.
    ****************************************************************
    

Problem conclusion

  • fix logic when adding CPUs after booting the system with 1 CPU
    

Temporary fix

Comments

  • 7200-05 - use AIX APAR IJ31196
    

APAR Information

  • APAR number

    IJ31196

  • Reported component name

    AIX V7.2

  • Reported component ID

    5765CD200

  • Reported release

    720

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Submitted date

    2021-03-08

  • Closed date

    2021-03-08

  • Last modified date

    2021-04-16

  • APAR is sysrouted FROM one or more of the following:

  • APAR is sysrouted TO one or more of the following:

    IJ31203

Fix information

  • Fixed component name

    AIX V7.2

  • Fixed component ID

    5765CD200

Applicable component levels

  • R720 PSY U887575

       UP21/04/06 I 1000

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSVEF8","label":"AIX 7.2 Enterprise Edition"},"Platform":[{"code":"PF053","label":"Power Systems"}],"Version":"720","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Document Information

Modified date:
17 April 2021